Hello Mr. Gun welcome to YT. Don’t rule out the fact that something may have failed in the cylinder you had rebuilt. In general the hydraulic supply to the bucket curl function T’s off to each cylinder from one pair of lines coming up the loader arm from the valve. I don’t know if I can describe this properly but can you raise the loader to a point where the loader bucket cylinders are almost level? Then support the bucket some way so you have at least A quarter of the cylinder extension stoke remaining. Disconnect the hose that is closest to the end the ram comes out of. Make sure the cylinder is full of oil l, use a jug and a funnel if needed. Now use a plug to plug that cylinder port. Direct the loose hose into a catch pan or bucket. No pressurized oil will come out of the hose Now start the tractor and lift the loader arms to get the bucket weight against the plugged cylinder to see If the cylinder will hold position. If it is good do the same with the other one. If they both hold it is in the valve. Just to add I don’t know how knowledgeable you are in the operation of hydraulics but when you center a valve lever it is just trapping oil so it can’t flow. You are just using the plug and the oil trapped in the cylinder to tell if the cylinder seal is holding. If you can’t wrap your head around all this my request may be a little confusing.
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Today's Featured Article - When Push Comes to Shove - by Dave Patterson. When I was a “kid” (still am to a deree) about two I guess, my parents couldn’t find me one day. They were horrified (we lived by the railroad), my mother thought the worst: "He’s been run over by a train, he’s gone forever!" Where did they find me? Perched up on the seat of the tractor. I’d probably plowed about 3000 acres (in my head anyway) by the time they found me. This is where my love for tractors started and has only gotten worse in my tender 50 yrs on this “green planet”. I’m par
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